In the first half of "Awkward" Season 3, she had everything she ever wanted: loyal friends, a loving boyfriend, a good relationship with her parents. And then she in the Season 3A finale, she cheated on sweet Matty with Collin.

When Season 3B rolls around this October, Jenna's going to be feeling pretty guilty -- so much so that she cancels her birthday celebrations and can barely accept Matty's sweet, adorable, thoughtful birthday gift.